Rice is one of the staple foods, especially for the people of Indonesia. Tribolium castaneum is a warehouse pest that has a wide range of attacks on various commodities in storage. This study aims to determine the effect of clove leaf essential oil on T. castaneum pests, the concentration that has a high repellency index against T. castaneum, and the concentration that causes high mortality in …
Synthetic insecticides, e.g. organophospate and pyethroid, are common used to control diamondback moth, Plutella xylostella (Linn.). Survey conducted in West Java and South Sumatera showed that this pest could not be controlled completely by using many insecticides. This experiment was aimed to assess the efficacy of liquid based bio insecticide formulation from Beauveria bassiana (Bals.) Vuill…
Beauveria bassiana is a soil fungus commonly found in all over world. The fungus parasitizes insect under larval and imago phases. The research was aimemed at studying the effects of B. bassiana formulation in suppressing the P. xylostella population and its damaging effect in chinese cabbage planting. The reseach was conducted in chinese cabbage planting in Village Karya Baru, District Sukaram…
Respon Larva dan Imago Plutella xylostella (Linn.) (Lepidoptera: Yponomeutidae) terhadap insektisida Nimba, Botanis agonal, Bacillus thuringiensis Berliner dan Lamda Sihalotrin (Dibimbing oleh TRIANI ADAM dan EFFENDY TA). Penelitian ini bertujuan untuk mengetahui respon larva dan imago Plutella xylostella (Linn.) terhadap ekstrak nimba Azadirachta indica A. Juss dan botanis agonal, insektisida …
The objective of the research were to know the effect of insecticide nabati, mikrobia, sintetik to Piute/la xyloste//a (Linn.) at crop of Brassica juncea. The research had been conducted in field farmer at Kelurahan Sukabangun Kecamatan Sukarami, Palembang city, from January to July 2005. The research was arranged using Group Randomized Design (GRD) with 5 treatments and 4 replication. The data…
Crickets are agricultural pests that damage plants in the early stages. The use of synthetic insecticides causes resistance and pollution, so safer plant-based alternatives are needed. This study was conducted experimentally at the Biology Department of Sriwijaya University using RAL with 6 treatments (0, 2, 4, 6 and 8) and Regent 5 as a positive control, and 4 repetitions. The observation para…
Oryctes rhinoceros merupakan salah satu hama utama pada tanaman kelapa sawit di Indonesia, khususnya pada tanaman kelapa sawit yang belum menghasilkan (TBM). O. rhinoceros merusak titik tumbuh tanaman kelapa sawit sehingga menyebabkan terhambatnya pertumbuhan tanaman dan dapat menyebabkan kematian pada tanaman. Penelitian ini bertujuan untuk mengetahui formulasi bio-insektisida dengan campuran …
Dalam budidaya kelapa sawit banyak memiliki kendala antara lain adanya serangan hama, terutama hama Kumbang tanduk (O. rhinoceros). Hama kumbang tanduk (Oryctes rhinoceros) merupakan hama utama pada perkebunan kelapa sawit dan akan sering ditemukan menyerang tanaman kelapa mulai dari pembibitan sampai tanaman berumur 2,5. Gejala serangan yang akan diakibatkan oleh hama ini berupa adanya bek…
The horn beetle (Oryctes rhinoceros) is one of the important pests on oil palm plantations, O. rhinoceros attacks on oil palm plantations can cause significant economic losses to oil palm plantations. O. rhinoceros can attack the growing point of oil palm plants causing death in oil palm plants. Losses due to O. rhinoceros attacks result in several problems such as decreased yields, damage to o…
Jangkrik pemakan tumbuh-tumbuhan yaitu Gryllus sp. paling banyak menyerang tanaman sayur-sayuran. Gejala serangan ditandai terpotongnya tanaman pada pangkal batang. Serangan jangkrik dapat mengakibatkan kerusakan tanaman dan kehilangan hasil pada budidaya padi. Salah satu cara untuk mengatasi serangga hama jangkrik dengan cara bioinsektisida daun sirih (Piper betle L.) yang memiliki kandungan r…
Research on the effect of the insecticide profenofos on production and viability of earthworm cocoons Pontoscolex corethrurus Fr. Mull has been carried out ffom July to October 2011 took place in Animal Physiology Laboratory Department of Biological Science University of Sriwijaya. This study aims to determine the concentration of profenofos how that affectsthe production of earthworms and decr…
RATNA JUWITA, Komunitas Arthropoda Tanah Pada Padi Utama Dan Ratun Pada Sawah Lebak Yang Diaplikasikan Dengan Bioinsektisida Berbahan Aktif Jamur Entomopatogen. (Dibimbing oleh SITI HERLINDA) Arthropoda tanah merupakan komponen ekosistem tanah. Kehidupan serangga tanah ditentukan oleh faktor fisika-kimia tanah. Faktor lingkuan dibagi menjadi biotik dan abiotik. Pengukuran faktor lingkungan abio…
Fall armyworm (Spodoptera frugiperda) are introduced pests that have been infesting maize crops in Indonesia since 2019. The armyworm feed on young leaves causing hollow on the leave and disturbs the growing tip of the plant. Various control methods have been applied by farmers, among others is by using commercial insecticide. In this research, B. thuringiensis isolate were supplied by laborato…
Telah dilakukan penelitian tentang efek pemberian tepung biji Mahoni (Swietenia macrophylla) terhadap mortalitas kumbang Sitophilus zeamais Motsch. Metode yang digunakan adalah metode eksperimen dengan rancangan acak lengkap terdiri dari 6 perlakuan dan 4 ulangan. Perlakuan terdiri dari kontrol A0 (0%), A1 (2%), A2 (4,8%), A3 (7,4%), A4 (13,0%), dan A5 (17,4%). Tepung biji mahoni dengan konsent…